 | Onimaru, from the series "Fifty Kyogen Plays (Kyogen gojuban)" | Tsukioka Gyokusei | 1927 (Published) | Color woodblock print |
 | Onion flowers | Tanaka Ryohei | 1966 | Etching, ink on paper |
 | Oniwaka Maru (Young Musashi-bo Benkei) Wielding a Naganata Blade | Utagawa Kuniyoshi | | Woodblock print |
 | Oniwakamaru Observing the Great Carp in the Pond, from the series "New Forms of Thirty-Six Ghosts" | Tsukioka Yoshitoshi | 1889 | Color woodblock print |
 | Onjiku Beach (Onjiku no hama) | Kogan Tobari | Japanese, Taishô era | Woodblock print |
 | Onjuku, Chiba (Chiba Onjuku) | Kawase Hasui | 1950 | Color woodblock print |
 | Only a Little Hope | Gen Yamaguchi | 1956 | Color woodblock print |
 | Onnagata Ichikawa Shôchô 2nd as Oman, from the series Twelve Actor Prints (Jûni yakusha-e), Taishô period, dated 1920 | Yamamura Toyonari | | Woodblock print |
 | Onnagata in Black Looking to Lower Left, Taishô period, circa 1920-1922 | Yamamura Toyonari | | Woodblock print |
 | Onnagata Looking to Lower Right, Taishô period, circa 1920-1922 | Yamamura Toyonari | | Woodblock print |
 | Ono Falls on the Kiso Kaido Road (Kisokaido Ono no bakufu), from the series Tour of the Waterfalls in Various Provinces (Shokoku Taki meguri) | Katsushika Hokusai | | Woodblock print |
 | Ono no Komachi: Praying for Rain | Ogata Gekko | | Woodblock print |
 | Ono no Tōfū | Kobayashi Kiyochika | May 1886 | Woodblock print (nishiki-e), ink and color on paper |
 | ONO-NO-HO (Ono shop in Fukui Prefecture) | Katsuyuki Nishijima | | Woodblock print |
 | Ono, Mito (Mito Ono) | Kawase Hasui | 1949 | Color woodblock print; oban |
 | Onodera Junai Hidekazu 小野寺十内秀和 / Gishi shijushichi zu 義士四十七図 | Ogata Gekko | | Woodblock print |
 | Onoe Baiko as Masaoka | Tsuruya Kokei | Oct. 1990 | Woodblock print |
 | Onoe Baiko VII as Fujitsubo in the Genji Monogatari | Ota Masamitsu | 1955 | Woodblock print |
 | Onoe Baiko VII as Masaoka 七世尾上梅幸の乳人政岡 / Bust portraits VIII (Design 4) 第八期大首絵シリーズの４ | Tsuruya Kokei | October 1990 | Woodblock print |
 | Onoe Baiko VII as Mokuzume 七世尾上梅幸の田熊娘藻女 / Bust portraits IV (Design 6) 第四期大首絵シリーズの６ | Tsuruya Kokei | October 1984 | Woodblock print |
 | Onoe Baiko VII as Shiranui七代目尾上梅幸の不知火 | Natori Shunsen | 1927 | Color woodblock print |
 | Onoe Baiko VII- Wisteria maiden | Ota Masamitsu | Not set | Woodblock print |
 | Onoe Baiko VII- Wisteria maiden | Ota Masamitsu | Not set | Woodblock print |
| Onoe Baiko VII- Wisteria maiden | Yamamura Toyonari | | Woodblock print |
 | Onoe Kikugoro as Motoemon in Tenkajaya | Natori Shunsen | | Woodblock print |
 | Onoe Kikugorö as Motoemon in the Drama Tengajaya | Natori Shunsen | | Woodblock print |
 | Onoe Kikugoro as Yosaburo from the Genjimise | Tsuruya Kokei | July 1989 | Woodblock print |
 | Onoe Kikugorō V as the Hag of Asajigahara | Tsukioka Yoshitoshi | 1890 | Color woodblock prints; ōban triptych |
 | Onoe Kikugoro VI as Benten Kozo六代目尾上菊五郎の弁天小僧 | Natori Shunsen | 1925 | Color woodblock print |
 | Onoe Shoroku as Kudo Suketsune in the play | Tsuruya Kokei | 1989 | Woodblock print |
 | Onoe Shoroku II as the tattooed villain Danshichi | Ota Masamitsu | 1955 | Woodblock print |
 | Onoguchi Tokuji, Picture of Destroying the Gates of Jinzhou Fortress by Placing Guncotton | Ogata Gekko | January 1895 | Woodblock print (nishiki-e), ink and color on paper |
 | Onomichi-Japan | Clifton Karhu | 1971 | Woodblock print, ink and color on paper |
 | Onoye Baiko as Sayari | Natori Shunsen | | Woodblock print |
 | Onsen in the Evening — いで湯の夕べ | Kaburaki Kiyokata | 1912 | Woodblock print |
 | Onsen in the Snow (Fukushima) | Jun'ichiro Sekino | | Woodblock print |
 | Onshi Park, Shiba (Shiba Onshi koen) | Kawase Hasui | 1937 | Color woodblock print; oban |
 | Onuma Park, Hokkaido, from the series "Collection of Scenic Views of Japan, Eastern Japan Edition" (Nihon fukei shu higashi Nihon hen, Hokkaido Onuma koen) | Kawase Hasui | March 1934 | Color woodblock print |
 | Ookawabata | Shimura Tatsumi | Not set | Watercolor |
 | Oomori- repro | Hashiguchi Goyo | Not set | Woodblock print |
 | Oonuma Koen kara Koma-ga-take | Gihachiro Okuyama | | Woodblock print |
 | Open Secret (35/50) | Mayumi Oda | | Woodblock print |
 | Opening Ceremony at the Hisamatsuza Theater | Toyohara Chikanobu | | Woodblock print |
 | Opening of the New Azuma Bridge in Tokyo | Inoue Yasuji | | Woodblock print |
 | Opening the Teahouse | Ogata Gekko | | Woodblock print |
 | Opposition - Work no. 9 | Katsunori Hamanishi | ca.1983-84 | Print |
 | Opus No. 12 | Toshi Yoshida | 1953 | Woodblock print |
 | Opus No. 2 | Toshi Yoshida | 1952 | Color woodblock print |
 | Orange Orchids, from an untitled series of large flowers | Katsushika Hokusai | | Woodblock print |
 | Orchard No. 1 | Tanaka Ryohei | | Woodblock print |
 | Orchid | Ogata Gekko | | Woodblock print |
 | Orchid - Katoriya | Shodo Kawarazaki | | Woodblock print |
 | Orchid 1 | Ikeda Zuigetsu | | Woodblock print |
 | Orchid 1 | Shodo Kawarazaki | | Woodblock print |
 | Orchid flowers | Tsuchiya Rakuzan | | Woodblock print |
 | Orchids | Watanabe Seitei | 1916 | Woodblock print |
 | Orchids, butterfly and ladybird. | Yoshijiro Urushibara | 1888-1934 | Print |
 | Orchis graminifolia (Orchid) | Fumio Kitaoka | | Woodblock print |
 | Oribe Yasubei Taketsune | Utagawa Kuniyoshi | | Woodblock print |
 | Origami #1 | Katsunori Hamanishi | 2008 | Mezzotint |
 | Original Print from the publication Kyoto Woodcuts, Shôwa period, circa 1960-1978 | Naoko Matsubara | | Woodblock print |
 | Oroku | Kawanabe Kyosai | 1864, 7th lunar month | Woodblock print (nishiki-e), ink and color on paper |
 | Osaka Castle | Kotozuka Eiichi | circa 1950-1970 | Woodblock print |
 | Osaka Castle | Gihachiro Okuyama | | Woodblock print |
 | Osaka Castle in Autumn | Sano Seiji | 1996 | Woodblock print |
 | Osaka City-Japan | Clifton Karhu | 1966 | Woodblock print, ink and color on paper |
 | Osaka Municipal Office | Akamatsu Rinsaku | | Woodblock print |
 | Osaka Tenjin Matsuri (large format) | Tomikichiro Tokuriki | | Woodblock print |
 | Osame, a Concubine of the Lord of Sendai Fief, Learning Courtesanship | Tsukioka Yoshitoshi | 1886 | Woodblock print |
 | Osen-rain | Komura Settai | Early 20th century, or 1940s printing of earlier design | Woodblock print; sumizuri-e |
 | Ōshima Tanzō | Tsukioka Yoshitoshi | 1866, 8th lunar month | Woodblock print (nishiki-e), ink and color on paper |
 | Oshu Matsushima shinkei 奥州松島真景 / Shokoku meisho hyakkei 諸国名所百景 | Utagawa Hiroshige | | Woodblock print |
 | Oshu Sotogahama 奥州そとヶ濱 / Shokoku meisho hyakkei 諸国名所百景 | Utagawa Hiroshige | | Woodblock print |
 | Osome | Kawanabe Kyosai | 1864, 7th lunar month | Woodblock print (nishiki-e), ink and color on paper |
 | Ostankind, Moskva (Moscow) | Tadashige Ono | | Woodblock print |
 | Ota Masamitsu | Ota Masamitsu | 1955 | Woodblock print |
 | Otani Tomoyemon as Kanshodo | Natori Shunsen | | Woodblock print |
 | Otaru Hokkaido | Saito Kiyoshi | 1948 | Color woodblock print |
 | Oteiroku, from the series "Fashionable Women as the One Hundred and Eight Heroes of the Water Margin (Fuzoku onna Suikoden, ippyakuhachinin no uchi)" | Utagawa Kuniyoshi | c. 1828/30 | Color woodblock print; surimono |
 | Otemon Gate | Okiie Hashimoto | 1957 | Color woodblock print; edition 7/30 |
 | Otodome Waterfall and Mt Fuji | Jokata Kaiseki | | Woodblock print |
 | Otome Mountain Pass - 乙め峠 | Takahashi Shotei | | Woodblock print |
 | Ôtsu in Ômi province: from the series Calligraphy and Pictures for the Fifty-three Stations of the Tôkaidô (Shoga gojûsan eki) | Kawanabe Kyosai | | Woodblock print |
 | Otsu Kazuyuki (b. 1935) | Kazuyuki Ohtsu | | Woodblock print |
 | Ôtsu-e Figure: Demon Converted to Buddhism (Oni no nenbutsu) | Kawanabe Kyosai | | Woodblock print |
 | Otsu, from the series 53 Stations of the Tokaido | Jun'ichiro Sekino | | Woodblock print |
 | Ötsu: Clear Day after Snowfall at the Lake | Jun'ichiro Sekino | | Woodblock print |
 | Otsu: Hashirii Teahouse (Otsu, Hashirii chaya), from the series "Fifty-three Stations of the Tokaido (Tokaido gojusan tsugi no uchi)," also known as the Hoeido Tokaido | Utagawa Hiroshige | c. 1833/34 | Color woodblock print; oban |
 | Our Field Artillery Attacks the Camp at Jiuliancheng | Kobayashi Kiyochika | November 1894 | Woodblock print (nishiki-e), ink and color on paper |
 | Our Naval Forces in the Yellow Sea Firing at And Sinking Chinese Warships | Kobayashi Kiyochika | 1894 (Meiji 27) | Woodblock print (nishiki-e) triptych; ink and colors on paper |
 | Our Scout Reconnoiters the Enemy Camp Near the Yalu River | Kobayashi Kiyochika | | Woodblock print |
 | Our Torpedo Hits a Russian Warship in the Great Naval Battle of Port arthur | Kobayashi Kiyochika | | Woodblock print |
 | Out for a walk | Utagawa Kuniyoshi | | Woodblock print |
 | Outbreak of Fire as Seen From Hisamatsu-cho. Great Fire on the Night of 2/11/81 | Kobayashi Kiyochika | | Woodblock print |
 | Outbreak of Fire Seen from Hisamatsu-cho | Kobayashi Kiyochika | 1881 (Meiji 14) | Woodblock print (nishiki-e); ink and color on paper |
 | Outside Chang Man Gate, Soochow | Elizabeth Keith | | Woodblock print |
 | Outskirt of a Village (Mura hazure) | Fumio Kitaoka | 1969 | Color woodblock print; edition 38/50 |
 | Outskirts of Jakarta in Java | Ito Shinsui | 1943 | Woodblock print, ink and color on paper |
 | Outskirts of Makassar in Celebes | Ito Shinsui | 1943 | Woodblock print, ink and color on paper |
 | Owari Tsushima sairei 尾張対馬祭礼 / Shokoku meisho hyakkei 諸国名所百景 | Utagawa Hiroshige | | Woodblock print |